<template>

  <div class="login-container">
    <el-form class="login-form"  :model="loginForm" :rules="loginRules" ref="loginForm" label-position="left">
      <h3 class="title">管理系统</h3>
      <el-form-item prop="username">
          <span class="svg-container svg-container_login">
           <svg-icon icon-class="user"/>
        </span>
        <el-input name="username"  v-model="loginForm.username" type="text">
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container svg-container_login">
            <svg-icon icon-class="password"/>
        </span>
        <el-input name="password" v-model="loginForm.password" type="text">
        </el-input>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" style="width:100%;"  @click.native.prevent="handleLogin">
          Sign in
        </el-button>
      </el-form-item>

    </el-form>

  </div>

</template>

<script>

  import  {isvalidUsername} from "../../utils/validate";


  export default {
    name: "login",
    data() {

      const  validateUsername=(rule,value,callback)=>{
        if(!isvalidUsername(value)){
          callback(new Error('请输入正确的用户名'))
        }else {
          callback();
        }
      }
      const validatePass = (rule, value, callback) => {
        if (value.length < 5) {
          callback(new Error('密码不能小于5位'))
        } else {
          callback()
        }
      }



      return {
        loginForm: {
          username: 'admin',
          password: 'admin',
        },
        loginRules: {
          username: [{ required: true, trigger: 'blur', validator: validateUsername }],
          password: [{ required: true, trigger: 'blur', validator: validatePass }]
        },
        loading: false,
        pwdType: 'password'
      }


    },
    methods:{
      handleLogin(){
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true
            this.$store.dispatch('Login',this.loginForm).then(()=>{
              this.loading=false;
              this.$router.push({path:'/'})
            }).catch(()=>{
              this.loading=false;
            })
          } else {
            console.log('error submit!!')
            return false
          }
        })
      }
    }
  }
</script>


<style rel="stylesheet/scss" lang="scss">
  $bg: #2d3a4b;
  $light_gray: #eee;

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;
      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        &:-webkit-autofill {
          -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: #fff !important;
        }
      }
    }
    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }

</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;
  .login-container {
    position: fixed;
    height: 100%;
    width: 100%;
    background-color: $bg;
    .login-form {
      position: absolute;
      left: 0;
      right: 0;
      width: 520px;
      padding: 35px 35px 15px 35px;
      margin: 120px auto;
    }
    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;
      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }
    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
      &_login {
        font-size: 20px;
      }
    }
    .title {
      font-size: 26px;
      font-weight: 400;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
  }
</style>
